source/designer/input.cpp

   1 #include <SDL_keysym.h>
   2 #include <GL/gl.h>
   3 #include <msp/gl/texture.h>
   4 #include "designer.h"
   5 #include "input.h"
   6
   7 using namespace std;
   8 using namespace Msp;
   9
  10 Input::Input(Designer &d, const string &t, const string &e):
  11         designer(d),
  12         title(t),
  13         text(e),
  14         pos(text.size())
  15 { }
  16
  17 void Input::key_press(unsigned key, unsigned, wchar_t ch)
  18 {
  19         if(key==SDLK_RETURN)
  20                 signal_accept.emit();
  21         else if(key==SDLK_ESCAPE)
  22                 signal_cancel.emit();
  23         else if(key==SDLK_BACKSPACE)
  24         {
  25                 if(pos>0)
  26                 {
  27                         text.erase(pos-1, 1);
  28                         --pos;
  29                 }
  30         }
  31         else if(key==SDLK_DELETE)
  32         {
  33                 if(pos<text.size())
  34                         text.erase(pos, 1);
  35         }
  36         else if(key==SDLK_LEFT)
  37         {
  38                 if(pos>0)
  39                         --pos;
  40         }
  41         else if(key==SDLK_RIGHT)
  42         {
  43                 if(pos<text.size())
  44                         ++pos;
  45         }
  46         else if(ch>=0x20)
  47         {
  48                 text.insert(pos, 1, ch);
  49                 ++pos;
  50         }
  51 }
  52
  53 void Input::render()
  54 {
  55         glLoadIdentity();
  56         glTranslatef(300, 450, 0);
  57
  58         GL::Texture::unbind();
  59         glColor4f(0.7, 0.7, 0.7, 0.9);
  60         glBegin(GL_QUADS);
  61         glVertex2f(0, 0);
  62         glVertex2f(680, 0);
  63         glVertex2f(680, 60);
  64         glVertex2f(0, 60);
  65         glEnd();
  66
  67         glColor4f(0, 0, 0, 1);
  68         glTranslatef(5, 35, 0);
  69
  70         glPushMatrix();
  71         glScalef(20, 20, 20);
  72         designer.get_font().draw_string(title);
  73         glPopMatrix();
  74
  75         glTranslatef(0, -30, 0);
  76         glPushMatrix();
  77         glScalef(20, 20, 20);
  78         designer.get_font().draw_string(text);
  79
  80         glTranslatef(designer.get_font().get_string_width(text.substr(0, pos)), 0, 0);
  81         glDisable(GL_TEXTURE_2D);
  82         glBegin(GL_LINES);
  83         glVertex2f(0, 0);
  84         glVertex2f(0, 1);
  85         glEnd();
  86         glPopMatrix();
  87 }